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Finding the Fourth Proportional to 606,319.53, 836,684.81 and 348,238.49

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Solution

The fourth proportional to 606,319.53, 836,684.81 and 348,238.49 is: 480,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,319.53 : 836,684.81 = 348,238.49 : x
  2. Step 2: Convert to fraction form
    606,319.53/836,684.81 = 348,238.49/x
  3. Step 3: Cross multiply
    606,319.53x = 836,684.81 × 348,238.49
  4. Step 4: Simplify right side
    606,319.53x = 291,365,853,099.15
  5. Step 5: Solve for x
    x = 291,365,853,099.15/606,319.53
  6. Step 6: Final answer
    x = 480,548.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.